0 1 2 3 Thu 12 Jul 1923 Fri 20 Jul 1923 Sat 28 Jul 1923 Sun 05 Aug 1923 Mon 13 Aug 1923 Tue 21 Aug 1923 Wed 29 Aug 1923 Hours Slept Hours Slept Rolling Average Total Time in Bed Total Rolling Average <- Previous Period Next Period -> Date Range: to Offset: hours Data: Hours Slept Hours Laying Awake Total Time in Bed Total Dreams Show: Raw Data Rolling Average Rolling Average: Start from Zero Events: None Major All